Composition op matteb fob use ut the manotactxtbe of solid tires



UNITED STATES PATENT OFFICE.-

J'OHN C. H. KERR, OF PERRY, OKLAHOMA.

COMPOSITION OF MATTER FOR USE IN THE MANUFACTURE OF SOLID TIRES, LINERS,&o.

No Drawing.

To all whom it may concern:

Be it known that I, JOHN C. H. KERR, a citizen of the United States,residing at Perry, in the county of Noble and State of Oklahoma, haveinvent a new and useful Composition of Matter for Use in the Manufactureof Solid Tires, Liners, &c., of which the following is a s ecification.

This invention re ates to a composition of matter for use in themanufacture of solid tires for vehicle wheels, liners for pneumatictires, and for similar urposes, one of the objects of the invention ingto provide an eflicient substitute for the rubber compositions ,usuallyemployed for the above purposes and which substitute is less expensivethan the ordinary material and can be easily manufactured.

With the foregoing and other .obiects in view the invention consists ofthe to lowing ingredients compounded substantially in the proportionsstated, to wit:

Cork (ground or sheet) 1 pound. Fibrous matter (fabric or cords). pound.Rubber cement-- i pound. Raw rubberuu 1} pound.

'lfpeoiflcation of Letters Iatent.

. the like, consisting Patented Sept. 9, 1919.

Application filed February 24, 1919. Serial No. 278,943.

The foregoing ingredients are properly prepared and mlxed and cookedunder pressure for about sixty minutes with steam at 3 a pressure offifty pounds. The resultant product can be used in making solid tiresfor automobiles and other vehicles and can also be used as an innerliner for the casings of pneumatic tires.

What is claimed is A composition of matter for use in the manufacture ofsolid tires, casing liners and of the following ingredientssubstantlally in the proportions 40 stated, to Wit, cork, pound, fibrousmatter,

% ound, rubber cement, pound, and raw ru ber, 1} pound.

In testimony that I claim the foregoing as my own, I have hereto affixedmy signature in the presence of two witnesses.

JOHN C. H. KERR.

Witnesses:

L. A. Brown, N. S. BROOKHAR'I'.

mu this potent my be obtslsed for he cents esel, by dressing the"Commissioner airman,

wsshlng'ton, II. 0.

